- 1. [TowerTalk] Making aluminum tubes telescope smoothly,with good electrical conductivity? (score: 1)
- Author: "Kristinn Andersen" <tf3kx@simnet.is>
- Date: Sat, 7 May 2005 13:37:19 -0000
- Hi: I am working on an extensible vertical consisting of a 6m/18ft outer aluminum tube (40mm/1.5" diameter) and an inner aluminum tube that can be extended out of it with a motor mechanism. For certa
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